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Amazon.com: AN·GWEL A1382 Laptop Battery for MacBook Pro 15 inch (only for Early/Late 2011, Mid 2012) A1286 MC721LL/A MC723LL/A 661-5844 020-7134-A[10.95V 77.5WH] : Electronics
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Amazon.com: 77.5Wh A1382 A1286 Laptop Battery Compatible for MacBook Pro 15 inch Laptop Core i7 Early 2011 Late 2011 Mid 2012 Version, 661-5476 661-5211 - 12 Months Warranty : Electronics
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Original A1322 Replacement Battery for Apple MacBook Pro 13 inch A1278 2012 [65Wh/10.95V/6000mAh] - Newegg.com
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